if (likely(offset > end))
max = pivots[offset];
The above code should be changed to if (likely(offset < end)), which is
correct. This affects the correctness of ma_data_end(). Now it seems
that the final result will not be wrong, but it is best to change it.
This patch does not change the code as above, because it simplifies the
code by the way.
Link: https://lkml.kernel.org/r/20230314124203.91572-1-zhangpeng.00@bytedance.com
Link: https://lkml.kernel.org/r/20230314124203.91572-2-zhangpeng.00@bytedance.com
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Peng Zhang <zhangpeng.00@bytedance.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The si->lock must be held when deleting the si from the available list.
Otherwise, another thread can re-add the si to the available list, which
can lead to memory corruption. The only place we have found where this
happens is in the swapoff path. This case can be described as below:
core 0 core 1
swapoff
del_from_avail_list(si) waiting
try lock si->lock acquire swap_avail_lock
and re-add si into
swap_avail_head
acquire si->lock but missing si already being added again, and continuing
to clear SWP_WRITEOK, etc.
It can be easily found that a massive warning messages can be triggered
inside get_swap_pages() by some special cases, for example, we call
madvise(MADV_PAGEOUT) on blocks of touched memory concurrently, meanwhile,
run much swapon-swapoff operations (e.g. stress-ng-swap).
However, in the worst case, panic can be caused by the above scene. In
swapoff(), the memory used by si could be kept in swap_info[] after
turning off a swap. This means memory corruption will not be caused
immediately until allocated and reset for a new swap in the swapon path.
A panic message caused: (with CONFIG_PLIST_DEBUG enabled)
------------[ cut here ]------------
top: 00000000e58a3003, n: 0000000013e75cda, p: 000000008cd4451a
prev: 0000000035b1e58a, n: 000000008cd4451a, p: 000000002150ee8d
next: 000000008cd4451a, n: 000000008cd4451a, p: 000000008cd4451a
WARNING: CPU: 21 PID: 1843 at lib/plist.c:60 plist_check_prev_next_node+0x50/0x70
Modules linked in: rfkill(E) crct10dif_ce(E)...
CPU: 21 PID: 1843 Comm: stress-ng Kdump: ... 5.10.134+
Hardware name: Alibaba Cloud ECS, BIOS 0.0.0 02/06/2015
pstate: 60400005 (nZCv daif +PAN -UAO -TCO BTYPE=--)
pc : plist_check_prev_next_node+0x50/0x70
lr : plist_check_prev_next_node+0x50/0x70
sp : ffff0018009d3c30
x29: ffff0018009d3c40 x28: ffff800011b32a98
x27: 0000000000000000 x26: ffff001803908000
x25: ffff8000128ea088 x24: ffff800011b32a48
x23: 0000000000000028 x22: ffff001800875c00
x21: ffff800010f9e520 x20: ffff001800875c00
x19: ffff001800fdc6e0 x18: 0000000000000030
x17: 0000000000000000 x16: 0000000000000000
x15: 0736076307640766 x14: 0730073007380731
x13: 0736076307640766 x12: 0730073007380731
x11: 000000000004058d x10: 0000000085a85b76
x9 : ffff8000101436e4 x8 : ffff800011c8ce08
x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff0017df9ed338 x4 : 0000000000000001
x3 : ffff8017ce62a000 x2 : ffff0017df9ed340
x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
plist_check_prev_next_node+0x50/0x70
plist_check_head+0x80/0xf0
plist_add+0x28/0x140
add_to_avail_list+0x9c/0xf0
_enable_swap_info+0x78/0xb4
__do_sys_swapon+0x918/0xa10
__arm64_sys_swapon+0x20/0x30
el0_svc_common+0x8c/0x220
do_el0_svc+0x2c/0x90
el0_svc+0x1c/0x30
el0_sync_handler+0xa8/0xb0
el0_sync+0x148/0x180
irq event stamp: 2082270
Now, si->lock locked before calling 'del_from_avail_list()' to make sure
other thread see the si had been deleted and SWP_WRITEOK cleared together,
will not reinsert again.
This problem exists in versions after stable 5.10.y.
Link: https://lkml.kernel.org/r/20230404154716.23058-1-rongwei.wang@linux.alibaba.com
Fixes: a2468cc9bf ("swap: choose swap device according to numa node")
Tested-by: Yongchen Yin <wb-yyc939293@alibaba-inc.com>
Signed-off-by: Rongwei Wang <rongwei.wang@linux.alibaba.com>
Cc: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Aaron Lu <aaron.lu@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The current nilfs2 sysfs support has issues with the timing of creation
and deletion of sysfs entries, potentially leading to null pointer
dereferences, use-after-free, and lockdep warnings.
Some of the sysfs attributes for nilfs2 per-filesystem instance refer to
metadata file "cpfile", "sufile", or "dat", but
nilfs_sysfs_create_device_group that creates those attributes is executed
before the inodes for these metadata files are loaded, and
nilfs_sysfs_delete_device_group which deletes these sysfs entries is
called after releasing their metadata file inodes.
Therefore, access to some of these sysfs attributes may occur outside of
the lifetime of these metadata files, resulting in inode NULL pointer
dereferences or use-after-free.
In addition, the call to nilfs_sysfs_create_device_group() is made during
the locking period of the semaphore "ns_sem" of nilfs object, so the
shrinker call caused by the memory allocation for the sysfs entries, may
derive lock dependencies "ns_sem" -> (shrinker) -> "locks acquired in
nilfs_evict_inode()".
Since nilfs2 may acquire "ns_sem" deep in the call stack holding other
locks via its error handler __nilfs_error(), this causes lockdep to report
circular locking. This is a false positive and no circular locking
actually occurs as no inodes exist yet when
nilfs_sysfs_create_device_group() is called. Fortunately, the lockdep
warnings can be resolved by simply moving the call to
nilfs_sysfs_create_device_group() out of "ns_sem".
This fixes these sysfs issues by revising where the device's sysfs
interface is created/deleted and keeping its lifetime within the lifetime
of the metadata files above.
Link: https://lkml.kernel.org/r/20230330205515.6167-1-konishi.ryusuke@gmail.com
Fixes: dd70edbde2 ("nilfs2: integrate sysfs support into driver")
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+979fa7f9c0d086fdc282@syzkaller.appspotmail.com
Link: https://lkml.kernel.org/r/0000000000003414b505f7885f7e@google.com
Reported-by: syzbot+5b7d542076d9bddc3c6a@syzkaller.appspotmail.com
Link: https://lkml.kernel.org/r/0000000000006ac86605f5f44eb9@google.com
Cc: Viacheslav Dubeyko <slava@dubeyko.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Device exclusive page table entries are used to prevent CPU access to a
page whilst it is being accessed from a device. Typically this is used to
implement atomic operations when the underlying bus does not support
atomic access. When a CPU thread encounters a device exclusive entry it
locks the page and restores the original entry after calling mmu notifiers
to signal drivers that exclusive access is no longer available.
The device exclusive entry holds a reference to the page making it safe to
access the struct page whilst the entry is present. However the fault
handling code does not hold the PTL when taking the page lock. This means
if there are multiple threads faulting concurrently on the device
exclusive entry one will remove the entry whilst others will wait on the
page lock without holding a reference.
This can lead to threads locking or waiting on a folio with a zero
refcount. Whilst mmap_lock prevents the pages getting freed via munmap()
they may still be freed by a migration. This leads to warnings such as
PAGE_FLAGS_CHECK_AT_FREE due to the page being locked when the refcount
drops to zero.
Fix this by trying to take a reference on the folio before locking it.
The code already checks the PTE under the PTL and aborts if the entry is
no longer there. It is also possible the folio has been unmapped, freed
and re-allocated allowing a reference to be taken on an unrelated folio.
This case is also detected by the PTE check and the folio is unlocked
without further changes.
Link: https://lkml.kernel.org/r/20230330012519.804116-1-apopple@nvidia.com
Fixes: b756a3b5e7 ("mm: device exclusive memory access")
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The finalization of nilfs_segctor_thread() can race with
nilfs_segctor_kill_thread() which terminates that thread, potentially
causing a use-after-free BUG as KASAN detected.
At the end of nilfs_segctor_thread(), it assigns NULL to "sc_task" member
of "struct nilfs_sc_info" to indicate the thread has finished, and then
notifies nilfs_segctor_kill_thread() of this using waitqueue
"sc_wait_task" on the struct nilfs_sc_info.
However, here, immediately after the NULL assignment to "sc_task", it is
possible that nilfs_segctor_kill_thread() will detect it and return to
continue the deallocation, freeing the nilfs_sc_info structure before the
thread does the notification.
This fixes the issue by protecting the NULL assignment to "sc_task" and
its notification, with spinlock "sc_state_lock" of the struct
nilfs_sc_info. Since nilfs_segctor_kill_thread() does a final check to
see if "sc_task" is NULL with "sc_state_lock" locked, this can eliminate
the race.
Link: https://lkml.kernel.org/r/20230327175318.8060-1-konishi.ryusuke@gmail.com
Reported-by: syzbot+b08ebcc22f8f3e6be43a@syzkaller.appspotmail.com
Link: https://lkml.kernel.org/r/00000000000000660d05f7dfa877@google.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
When freeable class stat was added to classes file (back in 2016) we
forgot to update zsmalloc documentation. Fix that.
Link: https://lkml.kernel.org/r/20230325024631.2817153-3-senozhatsky@chromium.org
Fixes: 1120ed5483 ("mm/zsmalloc: add `freeable' column to pool stat")
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "zsmalloc: minor documentation updates".
Two minor patches that bring zsmalloc documentation up to date.
This patch (of 2):
Update documentation and reflect new zspages fullness grouping (we don't
use almost_empty and almost_full anymore).
Link: https://lkml.kernel.org/r/20230325024631.2817153-1-senozhatsky@chromium.org
Link: https://lkml.kernel.org/r/20230325024631.2817153-2-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Fixes: 67e157eb3639 ("zsmalloc: show per fullness group class stats")
Cc: Minchan Kim <minchan@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This patch fixes an issue that a hugetlb uffd-wr-protected mapping can be
writable even with uffd-wp bit set. It only happens with hugetlb private
mappings, when someone firstly wr-protects a missing pte (which will
install a pte marker), then a write to the same page without any prior
access to the page.
Userfaultfd-wp trap for hugetlb was implemented in hugetlb_fault() before
reaching hugetlb_wp() to avoid taking more locks that userfault won't
need. However there's one CoW optimization path that can trigger
hugetlb_wp() inside hugetlb_no_page(), which will bypass the trap.
This patch skips hugetlb_wp() for CoW and retries the fault if uffd-wp bit
is detected. The new path will only trigger in the CoW optimization path
because generic hugetlb_fault() (e.g. when a present pte was
wr-protected) will resolve the uffd-wp bit already. Also make sure
anonymous UNSHARE won't be affected and can still be resolved, IOW only
skip CoW not CoR.
This patch will be needed for v5.19+ hence copy stable.
[peterx@redhat.com: v2]
Link: https://lkml.kernel.org/r/ZBzOqwF2wrHgBVZb@x1n
[peterx@redhat.com: v3]
Link: https://lkml.kernel.org/r/20230324142620.2344140-1-peterx@redhat.com
Link: https://lkml.kernel.org/r/20230321191840.1897940-1-peterx@redhat.com
Fixes: 166f3ecc0d ("mm/hugetlb: hook page faults for uffd write protection")
Signed-off-by: Peter Xu <peterx@redhat.com>
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Tested-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Nadav Amit <nadav.amit@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Use the maple tree in RCU mode for VMA tracking.
The maple tree tracks the stack and is able to update the pivot
(lower/upper boundary) in-place to allow the page fault handler to write
to the tree while holding just the mmap read lock. This is safe as the
writes to the stack have a guard VMA which ensures there will always be a
NULL in the direction of the growth and thus will only update a pivot.
It is possible, but not recommended, to have VMAs that grow up/down
without guard VMAs. syzbot has constructed a testcase which sets up a VMA
to grow and consume the empty space. Overwriting the entire NULL entry
causes the tree to be altered in a way that is not safe for concurrent
readers; the readers may see a node being rewritten or one that does not
match the maple state they are using.
Enabling RCU mode allows the concurrent readers to see a stable node and
will return the expected result.
[Liam.Howlett@Oracle.com: we don't need to free the nodes with RCU[
Link: https://lore.kernel.org/linux-mm/000000000000b0a65805f663ace6@google.com/
Link: https://lkml.kernel.org/r/20230227173632.3292573-9-surenb@google.com
Fixes: d4af56c5c7 ("mm: start tracking VMAs with maple tree")
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reported-by: syzbot+8d95422d3537159ca390@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Dereferencing RCU objects within the RCU callback without the RCU check
has caused lockdep to complain. Fix the RCU dereferencing by using the
RCU callback lock to ensure the operation is safe.
Also stop creating a new lock to use for dereferencing during destruction
of the tree or subtree. Instead, pass through a pointer to the tree that
has the lock that is held for RCU dereferencing checking. It also does
not make sense to use the maple state in the freeing scenario as the tree
walk is a special case where the tree no longer has the normal encodings
and parent pointers.
Link: https://lkml.kernel.org/r/20230227173632.3292573-8-surenb@google.com
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reported-by: Suren Baghdasaryan <surenb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Add an smp_rmb() before reading the parent pointer to ensure that anything
read from the node prior to the parent pointer hasn't been reordered ahead
of this check.
The is necessary for RCU mode.
Link: https://lkml.kernel.org/r/20230227173632.3292573-7-surenb@google.com
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
During the development of the maple tree, the strategy of freeing multiple
nodes changed and, in the process, the pivots were reused to store
pointers to dead nodes. To ensure the readers see accurate pivots, the
writers need to mark the nodes as dead and call smp_wmb() to ensure any
readers can identify the node as dead before using the pivot values.
There were two places where the old method of marking the node as dead
without smp_wmb() were being used, which resulted in RCU readers seeing
the wrong pivot value before seeing the node was dead. Fix this race
condition by using mte_set_node_dead() which has the smp_wmb() call to
ensure the race is closed.
Add a WARN_ON() to the ma_free_rcu() call to ensure all nodes being freed
are marked as dead to ensure there are no other call paths besides the two
updated paths.
This is necessary for the RCU mode of the maple tree.
Link: https://lkml.kernel.org/r/20230227173632.3292573-6-surenb@google.com
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The call to mte_set_dead_node() before the smp_wmb() already calls
smp_wmb() so this is not needed. This is an optimization for the RCU mode
of the maple tree.
Link: https://lkml.kernel.org/r/20230227173632.3292573-5-surenb@google.com
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Liam Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The walk to destroy the nodes was not always setting the node type and
would result in a destroy method potentially using the values as nodes.
Avoid this by setting the correct node types. This is necessary for the
RCU mode of the maple tree.
Link: https://lkml.kernel.org/r/20230227173632.3292573-4-surenb@google.com
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Liam Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
When initially starting a search, the root node may already be in the
process of being replaced in RCU mode. Detect and restart the walk if
this is the case. This is necessary for RCU mode of the maple tree.
Link: https://lkml.kernel.org/r/20230227173632.3292573-3-surenb@google.com
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Liam Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "Fix VMA tree modification under mmap read lock".
Syzbot reported a BUG_ON in mm/mmap.c which was found to be caused by an
inconsistency between threads walking the VMA maple tree. The
inconsistency is caused by the page fault handler modifying the maple tree
while holding the mmap_lock for read.
This only happens for stack VMAs. We had thought this was safe as it only
modifies a single pivot in the tree. Unfortunately, syzbot constructed a
test case where the stack had no guard page and grew the stack to abut the
next VMA. This causes us to delete the NULL entry between the two VMAs
and rewrite the node.
We considered several options for fixing this, including dropping the
mmap_lock, then reacquiring it for write; and relaxing the definition of
the tree to permit a zero-length NULL entry in the node. We decided the
best option was to backport some of the RCU patches from -next, which
solve the problem by allocating a new node and RCU-freeing the old node.
Since the problem exists in 6.1, we preferred a solution which is similar
to the one we intended to merge next merge window.
These patches have been in -next since next-20230301, and have received
intensive testing in Android as part of the RCU page fault patchset. They
were also sent as part of the "Per-VMA locks" v4 patch series. Patches 1
to 7 are bug fixes for RCU mode of the tree and patch 8 enables RCU mode
for the tree.
Performance v6.3-rc3 vs patched v6.3-rc3: Running these changes through
mmtests showed there was a 15-20% performance decrease in
will-it-scale/brk1-processes. This tests creating and inserting a single
VMA repeatedly through the brk interface and isn't representative of any
real world applications.
This patch (of 8):
ma_pivots() and ma_data_end() may be called with a dead node. Ensure to
that the node isn't dead before using the returned values.
This is necessary for RCU mode of the maple tree.
Link: https://lkml.kernel.org/r/20230327185532.2354250-1-Liam.Howlett@oracle.com
Link: https://lkml.kernel.org/r/20230227173632.3292573-1-surenb@google.com
Link: https://lkml.kernel.org/r/20230227173632.3292573-2-surenb@google.com
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Liam Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arjun Roy <arjunroy@google.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Chris Li <chriscli@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: freak07 <michalechner92@googlemail.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jann Horn <jannh@google.com>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Laurent Dufour <ldufour@linux.ibm.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Minchan Kim <minchan@google.com>
Cc: Paul E. McKenney <paulmck@kernel.org>
Cc: Peter Oskolkov <posk@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Punit Agrawal <punit.agrawal@bytedance.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The struct pages could be discontiguous when the kfence pool is allocated
via alloc_contig_pages() with CONFIG_SPARSEMEM and
!CONFIG_SPARSEMEM_VMEMMAP.
This may result in setting PG_slab and memcg_data to a arbitrary
address (may be not used as a struct page), which in the worst case
might corrupt the kernel.
So the iteration should use nth_page().
Link: https://lkml.kernel.org/r/20230323025003.94447-1-songmuchun@bytedance.com
Fixes: 0ce20dd840 ("mm: add Kernel Electric-Fence infrastructure")
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: SeongJae Park <sjpark@amazon.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
It does not reset PG_slab and memcg_data when KFENCE fails to initialize
kfence pool at runtime. It is reporting a "Bad page state" message when
kfence pool is freed to buddy. The checking of whether it is a compound
head page seems unnecessary since we already guarantee this when
allocating kfence pool. Remove the check to simplify the code.
Link: https://lkml.kernel.org/r/20230320030059.20189-1-songmuchun@bytedance.com
Fixes: 0ce20dd840 ("mm: add Kernel Electric-Fence infrastructure")
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: SeongJae Park <sjpark@amazon.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
In an dedupe comparison iter loop, the length of iomap_iter decreases
because it implies the remaining length after each iteration.
The dedupe command will fail with -EIO if the range is larger than one
page size and not aligned to the page size. Also report warning in dmesg:
[ 4338.498374] ------------[ cut here ]------------
[ 4338.498689] WARNING: CPU: 3 PID: 1415645 at fs/iomap/iter.c:16
...
The compare function should use the min length of the current iters,
not the total length.
Link: https://lkml.kernel.org/r/1679469958-2-1-git-send-email-ruansy.fnst@fujitsu.com
Fixes: 0e79e3736d ("fsdax: dedupe: iter two files at the same time")
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
unshare copies data from source to destination. But if the source is
HOLE or UNWRITTEN extents, we should zero the destination, otherwise
the HOLE or UNWRITTEN part will be user-visible old data of the new
allocated extent.
Found by running generic/649 while mounting with -o dax=always on pmem.
Link: https://lkml.kernel.org/r/1679483469-2-1-git-send-email-ruansy.fnst@fujitsu.com
Fixes: d984648e42 ("fsdax,xfs: port unshare to fsdax")
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Darrick J. Wong <djwong@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
We can see the following definition in kernel/locking/lockdep_internals.h:
#define STACK_TRACE_HASH_SIZE (1 << CONFIG_LOCKDEP_STACK_TRACE_HASH_BITS)
CONFIG_LOCKDEP_STACK_TRACE_HASH_BITS is related with STACK_TRACE_HASH_SIZE
instead of MAX_STACK_TRACE_ENTRIES, fix it.
Link: https://lkml.kernel.org/r/1679380508-20830-1-git-send-email-yangtiezhu@loongson.cn
Fixes: 5dc33592e9 ("lockdep: Allow tuning tracing capacity constants.")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The path for SCHED_DEBUG is /sys/kernel/debug/sched. So, SCHED_DEBUG
should depend on DEBUG_FS, not PROC_FS.
Link: https://lkml.kernel.org/r/202301291110098787982@zte.com.cn
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
My very first kernel commit:
e4e1d47c79 ("ALSA: ppc: remove redundant checks in PS3 driver probe")
was sent with the umlaut in my last name transcribed (Göhrs -> Goehrs).
Add a mailmap entry so all my commits use the same name.
Link: https://lkml.kernel.org/r/20230321145525.1317230-1-l.goehrs@pengutronix.de
Signed-off-by: Leonard Göhrs <l.goehrs@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Here are a small set of USB and Thunderbolt driver fixes for reported
problems and a documentation update, for 6.3-rc4.
Included in here are:
- documentation update for uvc gadget driver
- small thunderbolt driver fixes
- cdns3 driver fixes
- dwc3 driver fixes
- dwc2 driver fixes
- chipidea driver fixes
- typec driver fixes
- onboard_usb_hub device id updates
- quirk updates
All of these have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt driver fixes from Greg KH:
"Here are a small set of USB and Thunderbolt driver fixes for reported
problems and a documentation update, for 6.3-rc4.
Included in here are:
- documentation update for uvc gadget driver
- small thunderbolt driver fixes
- cdns3 driver fixes
- dwc3 driver fixes
- dwc2 driver fixes
- chipidea driver fixes
- typec driver fixes
- onboard_usb_hub device id updates
- quirk updates
All of these have been in linux-next with no reported problems"
* tag 'usb-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (30 commits)
usb: dwc2: fix a race, don't power off/on phy for dual-role mode
usb: dwc2: fix a devres leak in hw_enable upon suspend resume
usb: chipidea: core: fix possible concurrent when switch role
usb: chipdea: core: fix return -EINVAL if request role is the same with current role
thunderbolt: Rename shadowed variables bit to interrupt_bit and auto_clear_bit
thunderbolt: Disable interrupt auto clear for rings
thunderbolt: Use const qualifier for `ring_interrupt_index`
usb: gadget: Use correct endianness of the wLength field for WebUSB
uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS583Gen 2
usb: cdnsp: changes PCI Device ID to fix conflict with CNDS3 driver
usb: cdns3: Fix issue with using incorrect PCI device function
usb: cdnsp: Fixes issue with redundant Status Stage
MAINTAINERS: make me a reviewer of USB/IP
thunderbolt: Use scale field when allocating USB3 bandwidth
thunderbolt: Limit USB3 bandwidth of certain Intel USB4 host routers
thunderbolt: Call tb_check_quirks() after initializing adapters
thunderbolt: Add missing UNSET_INBOUND_SBTX for retimer access
thunderbolt: Fix memory leak in margining
usb: dwc2: drd: fix inconsistent mode if role-switch-default-mode="host"
docs: usb: Add documentation for the UVC Gadget
...
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Merge tag 'sched_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
- Fix a corner case where vruntime of a task is not being sanitized
* tag 'sched_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Sanitize vruntime of entity being migrated
former doesn't get ignored
- A noinstr warning fix
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Merge tag 'core_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Borislav Petkov:
- Do the delayed RCU wakeup for kthreads in the proper order so that
former doesn't get ignored
- A noinstr warning fix
* tag 'core_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
entry/rcu: Check TIF_RESCHED _after_ delayed RCU wake-up
entry: Fix noinstr warning in __enter_from_user_mode()
- Prevent a false-positive warning when retrieving the (invalid) address of
dynamic FPU features in their init state which are not saved in
init_fpstate at all
- Randomize per-CPU entry areas only when KASLR is enabled
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Merge tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add a AMX ptrace self test
- Prevent a false-positive warning when retrieving the (invalid)
address of dynamic FPU features in their init state which are not
saved in init_fpstate at all
- Randomize per-CPU entry areas only when KASLR is enabled
* tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/x86/amx: Add a ptrace test
x86/fpu/xstate: Prevent false-positive warning in __copy_xstate_uabi_buf()
x86/mm: Do not shuffle CPU entry areas without KASLR
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Merge tag 'smb3-client-fixes-6.3-rc3' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs client fixes from Steve French:
"Twelve cifs/smb3 client fixes (most also for stable)
- forced umount fix
- fix for two perf regressions
- reconnect fixes
- small debugging improvements
- multichannel fixes"
* tag 'smb3-client-fixes-6.3-rc3' of git://git.samba.org/sfrench/cifs-2.6:
smb3: fix unusable share after force unmount failure
cifs: fix dentry lookups in directory handle cache
smb3: lower default deferred close timeout to address perf regression
cifs: fix missing unload_nls() in smb2_reconnect()
cifs: avoid race conditions with parallel reconnects
cifs: append path to open_enter trace event
cifs: print session id while listing open files
cifs: dump pending mids for all channels in DebugData
cifs: empty interface list when server doesn't support query interfaces
cifs: do not poll server interfaces too regularly
cifs: lock chan_lock outside match_session
cifs: check only tcon status on tcon related functions
- Fix a crash when using NFS with krb5p
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Merge tag 'nfsd-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix a crash when using NFS with krb5p
* tag 'nfsd-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
SUNRPC: Fix a crash in gss_krb5_checksum()
* Fix the new allocator tracepoints because git am mismerged the
changes such that the trace_XXX got rebased to be in function YYY
instead of XXX.
* Ensure that the perag AGFL_RESET state is consistent with whatever
we've just read off the disk.
* Fix a bug where we used the wrong iext cursor during a write begin.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-fixes-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull yet more xfs bug fixes from Darrick Wong:
"The first bugfix addresses a longstanding problem where we use the
wrong file mapping cursors when trying to compute the speculative
preallocation quantity. This has been causing sporadic crashes when
alwayscow mode is engaged.
The other two fixes correct minor problems in more recent changes.
- Fix the new allocator tracepoints because git am mismerged the
changes such that the trace_XXX got rebased to be in function YYY
instead of XXX
- Ensure that the perag AGFL_RESET state is consistent with whatever
we've just read off the disk
- Fix a bug where we used the wrong iext cursor during a write begin"
* tag 'xfs-6.3-fixes-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix mismerged tracepoints
xfs: clear incore AGFL_RESET state if it's not needed
xfs: pass the correct cursor to xfs_iomap_prealloc_size
* Fix a race in the percpu counters summation code where the summation
failed to add in the values for any CPUs that were dying but not yet
dead. This fixes some minor discrepancies and incorrect assertions
when running generic/650.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs percpu counter fixes from Darrick Wong:
"We discovered a filesystem summary counter corruption problem that was
traced to cpu hot-remove racing with the call to percpu_counter_sum
that sets the free block count in the superblock when writing it to
disk. The root cause is that percpu_counter_sum doesn't cull from
dying cpus and hence misses those counter values if the cpu shutdown
hooks have not yet run to merge the values.
I'm hoping this is a fairly painless fix to the problem, since the
dying cpu mask should generally be empty. It's been in for-next for a
week without any complaints from the bots.
- Fix a race in the percpu counters summation code where the
summation failed to add in the values for any CPUs that were dying
but not yet dead. This fixes some minor discrepancies and incorrect
assertions when running generic/650"
* tag 'xfs-6.3-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
pcpcntr: remove percpu_counter_sum_all()
fork: remove use of percpu_counter_sum_all
pcpcntrs: fix dying cpu summation race
cpumask: introduce for_each_cpu_or
* Add a few debugging assertions so that people (me) trying to port
code to the new allocator functions don't mess up the caller
requirements.
* Relax some overly cautious lock ordering enforcement in the new
allocator code, which means that file allocations will locklessly
scan for the best space they can get before backing off to the
traditional lock-and-really-get-it behavior.
* Add tracepoints to make it easier to trace the xfs allocator
behavior.
* Actually test the dir/xattr hash algorithm to make sure it produces
consistent results across all the platforms XFS supports.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"This batch started with some debugging enhancements to the new
allocator refactoring that we put in 6.3-rc1 to assist developers in
rebasing their dev branches.
As for more serious code changes -- there's a bug fix to make the
lockless allocator scan the whole filesystem before resorting to the
locking allocator. We're also adding a selftest for the venerable
directory/xattr hash function to make sure that it produces consistent
results so that we can address any fallout as soon as possible.
- Add a few debugging assertions so that people (me) trying to port
code to the new allocator functions don't mess up the caller
requirements
- Relax some overly cautious lock ordering enforcement in the new
allocator code, which means that file allocations will locklessly
scan for the best space they can get before backing off to the
traditional lock-and-really-get-it behavior
- Add tracepoints to make it easier to trace the xfs allocator
behavior
- Actually test the dir/xattr hash algorithm to make sure it produces
consistent results across all the platforms XFS supports"
* tag 'xfs-6.3-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: test dir/attr hash when loading module
xfs: add tracepoints for each of the externally visible allocators
xfs: walk all AGs if TRYLOCK passed to xfs_alloc_vextent_iterate_ags
xfs: try to idiot-proof the allocators
- it87: Fix voltage scaling for chips with 10.9mV ADCs
- xgene: Fix ioremap and memremap leak
- peci/cputemp: Fix miscalculated DTS temperature for SKX
- hwmon core: fix potential sensor registration failure with thermal subsystem
if of_node is missing
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Merge tag 'hwmon-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- it87: Fix voltage scaling for chips with 10.9mV ADCs
- xgene: Fix ioremap and memremap leak
- peci/cputemp: Fix miscalculated DTS temperature for SKX
- hwmon core: fix potential sensor registration failure with thermal
subsystem if of_node is missing
* tag 'hwmon-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon (it87): Fix voltage scaling for chips with 10.9mV ADCs
hwmon: (xgene) Fix ioremap and memremap leak
hwmon: fix potential sensor registration fail if of_node is missing
hwmon: (peci/cputemp) Fix miscalculated DTS for SKX
for other subsystems.
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Merge tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"21 hotfixes, 8 of which are cc:stable. 11 are for MM, the remainder
are for other subsystems"
* tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
mm: mmap: remove newline at the end of the trace
mailmap: add entries for Richard Leitner
kcsan: avoid passing -g for test
kfence: avoid passing -g for test
mm: kfence: fix using kfence_metadata without initialization in show_object()
lib: dhry: fix unstable smp_processor_id(_) usage
mailmap: add entry for Enric Balletbo i Serra
mailmap: map Sai Prakash Ranjan's old address to his current one
mailmap: map Rajendra Nayak's old address to his current one
Revert "kasan: drop skip_kasan_poison variable in free_pages_prepare"
mailmap: add entry for Tobias Klauser
kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
mm/ksm: fix race with VMA iteration and mm_struct teardown
kselftest: vm: fix unused variable warning
mm: fix error handling for map_deny_write_exec
mm: deduplicate error handling for map_deny_write_exec
checksyscalls: ignore fstat to silence build warning on LoongArch
nilfs2: fix kernel-infoleak in nilfs_ioctl_wrap_copy()
test_maple_tree: add more testing for mas_empty_area()
maple_tree: fix mas_skip_node() end slot detection
...
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Merge tag '6.3-rc3-ksmbd-smb3-server-fixes' of git://git.samba.org/ksmbd
Pull ksmbd server fixes from Steve French:
- return less confusing messages on unsupported dialects
(STATUS_NOT_SUPPORTED instead of I/O error)
- fix for overly frequent inactive session termination
- fix refcount leak
- fix bounds check problems found by static checkers
- fix to advertise named stream support correctly
- Fix AES256 signing bug when connected to from MacOS
* tag '6.3-rc3-ksmbd-smb3-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: return unsupported error on smb1 mount
ksmbd: return STATUS_NOT_SUPPORTED on unsupported smb2.0 dialect
ksmbd: don't terminate inactive sessions after a few seconds
ksmbd: fix possible refcount leak in smb2_open()
ksmbd: add low bound validation to FSCTL_QUERY_ALLOCATED_RANGES
ksmbd: add low bound validation to FSCTL_SET_ZERO_DATA
ksmbd: set FILE_NAMED_STREAMS attribute in FS_ATTRIBUTE_INFORMATION
ksmbd: fix wrong signingkey creation when encryption is AES256
As usual, most of the bug fixes address issues in the devicetree files,
and out of these, most are for the Qualcomm and NXP platforms, including:
- A missing "reserved-memory" property on LG G Watch R that
is needed to prevent clashing with firmware
- Annotations for cache coherency on multiple machines
- Corrections for pinctrl, regulator, clock, iommu and power domain
properties for i.MX and Qualcomm to correctly reflect the
hardware settings
- Firmware file names on multiple machines
SA8540P Ride board
- An incompatible change to the qcom vadc driver requires adding
individual labels
- Fix EQoS PHY reset GPIO by dropping the deprecated/wrong property
and switch to the new bindings.
- A fix for PCI bus address translation Tegra194 and Tegra234.
There are also a couple of device driver fixes, addressing
- A race condition in the amdtee driver
- A performance regression in the Qualcomm 'llcc' driver
- An unitialized variable use NXP i.MX "weim" driver
- Error handling issues in Qualcomm "rmtfs", and "scm"
drivers and the Arm scmi firmware driver
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Merge tag 'arm-fixes-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"As usual, most of the bug fixes address issues in the devicetree
files, and out of these, most are for the Qualcomm and NXP platforms,
including:
- A missing 'reserved-memory' property on LG G Watch R that is needed
to prevent clashing with firmware
- Annotations for cache coherency on multiple machines
- Corrections for pinctrl, regulator, clock, iommu and power domain
properties for i.MX and Qualcomm to correctly reflect the hardware
settings
- Firmware file names on multiple machines SA8540P Ride board
- An incompatible change to the qcom vadc driver requires adding
individual labels
- Fix EQoS PHY reset GPIO by dropping the deprecated/wrong property
and switch to the new bindings.
- A fix for PCI bus address translation Tegra194 and Tegra234.
There are also a couple of device driver fixes, addressing:
- A race condition in the amdtee driver
- A performance regression in the Qualcomm 'llcc' driver
- An unitialized variable use NXP i.MX 'weim' driver
- Error handling issues in Qualcomm 'rmtfs', and 'scm' drivers and
the Arm scmi firmware driver"
* tag 'arm-fixes-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits)
arm64: dts: qcom: sc8280xp-x13s: mark bob regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s12b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s10b regulator as always-on
arm64: dts: qcom: sc8280xp-x13s: mark s11b regulator as always-on
arm64: dts: imx93: add missing #address-cells and #size-cells to i2c nodes
bus: imx-weim: fix branch condition evaluates to a garbage value
arm64: dts: imx8mn: specify #sound-dai-cells for SAI nodes
ARM: dts: imx6sl: tolino-shine2hd: fix usbotg1 pinctrl
ARM: dts: imx6sll: e60k02: fix usbotg1 pinctrl
ARM: dts: imx6sll: e70k02: fix usbotg1 pinctrl
arm64: dts: imx93: Fix eqos properties
arm64: dts: imx8mp: Fix LCDIF2 node clock order
arm64: dts: imx8mm-nitrogen-r2: fix WM8960 clock name
arm64: dts: imx8dxl-evk: Fix eqos phy reset gpio
firmware: qcom: scm: fix bogus irq error at probe
arm64: dts: qcom: sm8550: Mark UFS controller as cache coherent
arm64: dts: qcom: sa8540p-ride: correct name of remoteproc_nsp0 firmware
arm64: dts: qcom: sm8450: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8350: Mark UFS controller as cache coherent
arm64: dts: qcom: sm8550: fix LPASS pinctrl slew base address
...
- usual pile of fixes for amdgpu&i915
- probe error handling fixes for meson, lt8912b bridge
- the host1x patch from Arnd
- panel-orientation fix for Lenovo Book X90F
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Merge tag 'drm-fixes-2023-03-24' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Daniel Vetter:
- usual pile of fixes for amdgpu & i915
- probe error handling fixes for meson, lt8912b bridge
- the host1x patch from Arnd
- panel-orientation fix for Lenovo Book X90F
* tag 'drm-fixes-2023-03-24' of git://anongit.freedesktop.org/drm/drm: (23 commits)
gpu: host1x: fix uninitialized variable use
drm/amd/display: Set dcn32 caps.seamless_odm
drm/amd/display: fix wrong index used in dccg32_set_dpstreamclk
drm/amdgpu/nv: Apply ASPM quirk on Intel ADL + AMD Navi
drm/amd/display: remove outdated 8bpc comments
drm/amdgpu/gfx: set cg flags to enter/exit safe mode
drm/amdgpu: Force signal hw_fences that are embedded in non-sched jobs
drm/amdgpu: add mes resume when do gfx post soft reset
drm/amdgpu: skip ASIC reset for APUs when go to S4
drm/amdgpu: reposition the gpu reset checking for reuse
drm/bridge: lt8912b: return EPROBE_DEFER if bridge is not found
drm/meson: fix missing component unbind on bind errors
drm: panel-orientation-quirks: Add quirk for Lenovo Yoga Book X90F
Revert "drm/i915/hwmon: Enable PL1 power limit"
drm/i915: Update vblank timestamping stuff on seamless M/N change
drm/i915: Fix format for perf_limit_reasons
drm/i915/gt: perform uc late init after probe error injection
drm/i915/active: Fix missing debug object activation
drm/i915/guc: Fix missing ecodes
drm/i915/mtl: Disable MC6 for MTL A step
...
target flag (initially added to allow swap to dm-crypt) to throttle
the amount of outstanding swap bios.
- Fix DM crypt soft lockup warnings by calling cond_resched() from the
cpu intensive loop in dmcrypt_write().
- Fix DM crypt to not access an uninitialized tasklet. This fix allows
for consistent handling of IO completion, by _not_ needlessly punting
to a workqueue when tasklets are not needed.
- Fix DM core's alloc_dev() initialization for DM stats to check for
and propagate alloc_percpu() failure.
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Merge tag 'for-6.3/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM thin to work as a swap device by using 'limit_swap_bios' DM
target flag (initially added to allow swap to dm-crypt) to throttle
the amount of outstanding swap bios.
- Fix DM crypt soft lockup warnings by calling cond_resched() from the
cpu intensive loop in dmcrypt_write().
- Fix DM crypt to not access an uninitialized tasklet. This fix allows
for consistent handling of IO completion, by _not_ needlessly punting
to a workqueue when tasklets are not needed.
- Fix DM core's alloc_dev() initialization for DM stats to check for
and propagate alloc_percpu() failure.
* tag 'for-6.3/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm stats: check for and propagate alloc_percpu failure
dm crypt: avoid accessing uninitialized tasklet
dm crypt: add cond_resched() to dmcrypt_write()
dm thin: fix deadlock when swapping to thin device
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Merge tag 'block-6.3-2023-03-24' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- Send Identify with CNS 06h only to I/O controllers (Martin
George)
- Fix nvme_tcp_term_pdu to match spec (Caleb Sander)
- Pass in issue_flags for uring_cmd, so the end_io handlers don't need
to assume what the right context is (me)
- Fix for ublk, marking it as LIVE before adding it to avoid races on
the initial IO (Ming)
* tag 'block-6.3-2023-03-24' of git://git.kernel.dk/linux:
nvme-tcp: fix nvme_tcp_term_pdu to match spec
nvme: send Identify with CNS 06h only to I/O controllers
block/io_uring: pass in issue_flags for uring_cmd task_work handling
block: ublk_drv: mark device as LIVE before adding disk
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Merge tag 'io_uring-6.3-2023-03-24' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix an issue with repeated -ECONNREFUSED on a socket (me)
- Fix a NULL pointer deference due to a stale lookup cache for
allocating direct descriptors (Savino)
* tag 'io_uring-6.3-2023-03-24' of git://git.kernel.dk/linux:
io_uring/rsrc: fix null-ptr-deref in io_file_bitmap_get()
io_uring/net: avoid sending -ECONNABORTED on repeated connection requests
- Restore the thermal core behavior regarding zero-temperature trip
points to avoid a driver regression (Ido Schimmel).
- Fix a recent regression in the ACPI processor driver preventing it
from changing the number of CPU cooling device states exposed via
sysfs after the given CPU cooling device has been registered (Rafael
Wysocki).
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Merge tag 'thermal-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These address two recent regressions related to thermal control.
Specifics:
- Restore the thermal core behavior regarding zero-temperature trip
points to avoid a driver regression (Ido Schimmel)
- Fix a recent regression in the ACPI processor driver preventing it
from changing the number of CPU cooling device states exposed via
sysfs after the given CPU cooling device has been registered
(Rafael Wysocki)"
* tag 'thermal-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: core: Restore behavior regarding invalid trip points
ACPI: processor: thermal: Update CPU cooling devices on cpufreq policy changes
thermal: core: Introduce thermal_cooling_device_update()
thermal: core: Introduce thermal_cooling_device_present()
ACPI: processor: Reorder acpi_processor_driver_init()
At some point in between sending this patch to the list and merging it
into for-next, the tracepoints got all mixed up because I've
over-reliant on automated tools not sucking. The end result is that the
tracepoints are all wrong, so fix them.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
